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Re: [PATCH v2] printk: Add kernel parameter to disable writes to /dev/kmsg

From Steven Rostedt <rostedt@goodmis.org>
Newsgroups linux.kernel
Subject Re: [PATCH v2] printk: Add kernel parameter to disable writes to /dev/kmsg
Date 2016-04-25 23:30 +0200
Message-ID <rrWeS-49v-11@gated-at.bofh.it> (permalink)
References (4 earlier) <rrUPM-2VC-13@gated-at.bofh.it> <rrUZt-3iQ-31@gated-at.bofh.it> <rrViN-3sQ-5@gated-at.bofh.it> <rrVsu-3wP-11@gated-at.bofh.it> <rrVCa-3B8-31@gated-at.bofh.it>
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On Mon, 25 Apr 2016 13:45:25 -0700
Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Mon, Apr 25, 2016 at 1:34 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
> >
> > There's a bug somewhere with mine:
> >
> > # journalctl -k
> > No journal files were found.
> > -- No entries --  
> 
> Is that with your patch? If you don't allow kmsg open, maybe systemd
> doesn't end up logging for reads either?

Nope. This is on Debian testing, with sysvinit and a systemd-shim to
allow other parts to work. Perhaps that's where the breakage is.

-- Steve

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Thread

[PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Steven Rostedt <rostedt@goodmis.org> - 2016-04-25 21:00 +0200
  Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Peter Zijlstra <peterz@infradead.org> - 2016-04-25 21:10 +0200
    Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-04-25 21:20 +0200
      Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Peter Zijlstra <peterz@infradead.org> - 2016-04-25 21:30 +0200
        Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Andrew Morton <akpm@linux-foundation.org> - 2016-04-25 21:50 +0200
        Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-04-25 22:00 +0200
          Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Steven Rostedt <rostedt@goodmis.org> - 2016-04-25 22:10 +0200
            Re: [PATCH v2] printk: Add kernel parameter to disable writes to /dev/kmsg Linus Torvalds <torvalds@linux-foundation.org> - 2016-04-25 22:30 +0200
              Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Steven Rostedt <rostedt@goodmis.org> - 2016-04-25 22:40 +0200
                Re: [PATCH v2] printk: Add kernel parameter to disable writes to /dev/kmsg Linus Torvalds <torvalds@linux-foundation.org> - 2016-04-25 22:50 +0200
                Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Steven Rostedt <rostedt@goodmis.org> - 2016-04-25 23:30 +0200
              Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Borislav Petkov <bp@alien8.de> - 2016-04-26 13:10 +0200
          Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Peter Zijlstra <peterz@infradead.org> - 2016-04-26 13:20 +0200
      Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Steven Rostedt <rostedt@goodmis.org> - 2016-04-25 21:40 +0200
    Re: [PATCH v2] printk: Add kernel parameter to disable writes to /dev/kmsg Linus Torvalds <torvalds@linux-foundation.org> - 2016-04-25 21:30 +0200
      Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Steven Rostedt <rostedt@goodmis.org> - 2016-04-25 21:40 +0200
      Re: [PATCH v2] printk: Add kernel parameter to disable writes to /dev/kmsg Linus Torvalds <torvalds@linux-foundation.org> - 2016-04-25 21:40 +0200
      Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Steven Rostedt <rostedt@goodmis.org> - 2016-04-25 21:50 +0200
        Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Ingo Molnar <mingo@kernel.org> - 2016-04-26 07:40 +0200
          Re: [PATCH v2] printk: Add kernel parameter to disable writes to /dev/kmsg Bjørn Mork <bjorn@mork.no> - 2016-04-26 12:50 +0200
            Re: [PATCH v2] printk: Add kernel parameter to disable writes to  /dev/kmsg Peter Zijlstra <peterz@infradead.org> - 2016-04-26 13:10 +0200
  Re: [PATCH v2] printk: Add kernel parameter to disable writes to /dev/kmsg Andi Kleen <andi@firstfloor.org> - 2016-04-25 21:50 +0200

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